package com.ch.d0303;

import com.ch.bean.Result;
import com.google.gson.Gson;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Date;

@WebServlet(name = "LoginServlet", value = "/loginServlet")
public class LoginServlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=utf-8");

        Result result = new Result(0,"",null);
        //验证用户输入的验证码是否正确

        String ucode = request.getParameter("vcode");
        // 获取会话中保存的验证码
        Object vcode = request.getSession().getAttribute("vcode");
        System.out.println(vcode);
        System.out.println("ucode"+ucode);

        if(vcode.equals(ucode) == false){
            result.setMsg("验证码输入错误");
        }else {
            String name = request.getParameter("name");
            String pwd = request.getParameter("pwd");
            //三个用户
            if("ch".equals(name) || "zs".equals(name) || "ls".equals(name)  && "123".equals(pwd)){
                result.setCode(1);
                result.setMsg("登录成功");

              //  request.getSession().setAttribute("loginedUser",name);
                // 由于要显示登录事件,添加时间
                request.getSession().setAttribute("loginedTime",new Date());
                request.getSession().setAttribute("loginedUser",name);

                //获取登录前访问的页面
                Object requestURI = request.getSession().getAttribute("requestURI");
                // 收到结果对象中
                result.setData(requestURI);
            }else{
                result.setMsg("用户名或密码错误!");
            }

        }

        String json = new Gson().toJson(result);
        response.getWriter().append(json);

    }
}
